environmental impact is limited to contribution to the greenhouse effect due to electricity consumption and due to possible refrigerant leakages. Due to the higher efficiency of the geothermal heat pumps (COP = 4 to 6) compared with air source heat pumps (COP = 2,5 to 3,5) and fossil fuels (efficiency = 80-90%),
Enlightening the World, 1886. A landmark at the entrance to New York Harbor since 1886, the Statue of Liberty is a national and international symbol with multiple meanings.ntended as a sign of friendship between the United States and France and as a monument to political liberty in both nations, it has come to represent a broader vision of freedom and democracy and the promise of a better life for the millions of immigrants who passed by her as they entered the country.
1 Have the students draw a quick sketch of what liberty looks like to them in the âPreâ section. 2  They do not need to spend a long time drawing this. 3  Stick figures will suffice. 4  They should be more concerned with the concept and image of liberty.ackground. The concept of âLibertyâ is one that many hold dear. However, what liberty means to each individual may vary depending on his or her situation. During the American Revolutionary War period, many saw opportunity to speak out and test the waters of liberty.